Nokia 808 PureView - What to do if my Nokia Belle FP2 phone has interoperability issues with an older Wi-Fi access point model?

When Nokia Belle FP2 phone is connecting to some of the older Wi-Fi access point models, the data traffic may in certain situations stop after a while and the Wi-Fi connection needs to be re-established or the phone needs to be rebooted to continue. If this happens with your Wi-Fi access point, try the following solutions: